C++ QColorGroup::light方法代码示例

/*!\reimp
 */
void QWindowsStyle::drawScrollBarControls( QPainter* p, const QScrollBar* sb, int sliderStart, uint controls, uint activeControl )
{
#ifndef QT_NO_SCROLLBAR
#define ADD_LINE_ACTIVE ( activeControl == AddLine )
#define SUB_LINE_ACTIVE ( activeControl == SubLine )
    QColorGroup g  = sb->colorGroup();

    int sliderMin, sliderMax, sliderLength, buttonDim;
    scrollBarMetrics( sb, sliderMin, sliderMax, sliderLength, buttonDim );

    if (sliderStart > sliderMax) { // sanity check
	sliderStart = sliderMax;
    }

    int b = 0;
    int dimB = buttonDim;
    QRect addB;
    QRect subB;
    QRect addPageR;
    QRect subPageR;
    QRect sliderR;
    int addX, addY, subX, subY;
    int length = HORIZONTAL ? sb->width()  : sb->height();
    int extent = HORIZONTAL ? sb->height() : sb->width();

    if ( HORIZONTAL ) {
	subY = addY = ( extent - dimB ) / 2;
	subX = b;
	addX = length - dimB - b;
    } else {
	subX = addX = ( extent - dimB ) / 2;
	subY = b;
	addY = length - dimB - b;
    }

    subB.setRect( subX,subY,dimB,dimB );
    addB.setRect( addX,addY,dimB,dimB );

    int sliderEnd = sliderStart + sliderLength;
    int sliderW = extent - b*2;
    if ( HORIZONTAL ) {
	subPageR.setRect( subB.right() + 1, b,
			  sliderStart - subB.right() - 1 , sliderW );
	addPageR.setRect( sliderEnd, b, addX - sliderEnd, sliderW );
	sliderR .setRect( sliderStart, b, sliderLength, sliderW );
    } else {
	subPageR.setRect( b, subB.bottom() + 1, sliderW,
			  sliderStart - subB.bottom() - 1 );
	addPageR.setRect( b, sliderEnd, sliderW, addY - sliderEnd );
	sliderR .setRect( b, sliderStart, sliderW, sliderLength );
    }

    bool maxedOut = (sb->maxValue() == sb->minValue());
    if ( controls & AddLine ) {
	qDrawWinPanel( p, addB.x(), addB.y(),
		       addB.width(), addB.height(), g,
		       ADD_LINE_ACTIVE, &g.brush( QColorGroup::Button ) );
	drawArrow( p, VERTICAL ? DownArrow : RightArrow,
		   ADD_LINE_ACTIVE, addB.x()+2, addB.y()+2,
		   addB.width()-4, addB.height()-4, g, !maxedOut );
    }
    if ( controls & SubLine ) {
	qDrawWinPanel( p, subB.x(), subB.y(),
		       subB.width(), subB.height(), g,
		       SUB_LINE_ACTIVE, &g.brush( QColorGroup::Button )  );
	drawArrow( p, VERTICAL ? UpArrow : LeftArrow,
		   SUB_LINE_ACTIVE, subB.x()+2, subB.y()+2,
		   subB.width()-4, subB.height()-4, g, !maxedOut );
    }
    QBrush br =
	g.brush( QColorGroup::Light ).pixmap() ?
		 g.brush( QColorGroup::Light )     :
		 QBrush(g.light(), Dense4Pattern);
    p->setBrush( br );
    p->setPen( NoPen );
    p->setBackgroundMode( OpaqueMode );
    if ( maxedOut ) {
	p->drawRect( sliderR );
    } else {
	if ( (controls & SubPage && SubPage == activeControl) ||
	     (controls  & AddPage && AddPage == activeControl) ) {
	    QBrush b = p->brush();
	    QColor c = p->backgroundColor();
// 	    p->fillRect( AddPage == activeControl? addPageR : subPageR, g.fillDark() );
	    p->setBackgroundColor( g.dark() );
	    p->setBrush( QBrush(g.shadow(), Dense4Pattern) );
	    p->drawRect( AddPage == activeControl? addPageR : subPageR );
	    p->setBackgroundColor( c );
	    p->setBrush( b );
	}
	if ( controls & SubPage && SubPage != activeControl)
	    p->drawRect( subPageR );
	if ( controls & AddPage && AddPage != activeControl)
	    p->drawRect( addPageR );
	if ( controls & Slider ) {
	    if ( !maxedOut ) {
		QPoint bo = p->brushOrigin();
		if ( !sb->testWState(WState_GlobalBrushOrigin) )
//.........这里部分代码省略.........

/*!\reimp
 */
void QPlatinumStyle::drawComplexControl( ComplexControl control,
					 QPainter *p,
					 const QWidget *widget,
					 const QRect &r,
					 const QColorGroup &cg,
					 SFlags how,
					 SCFlags sub,
					 SCFlags subActive,
					 const QStyleOption& opt ) const
{
    switch ( control ) {
    case CC_ComboBox:
	{
	    int x,
		y,
		w,
		h;
	    r.rect( &x, &y, &w, &h );
	    p->fillRect( x + 2,  y + 2, w - 4,
			 h - 4, cg.brush(QColorGroup::Button) );
	    // the bright side
	    p->setPen(cg.shadow());
	    p->drawLine( x, y, x + w - 1, y );
	    p->drawLine( x, y, x, y + h - 1 );

	    p->setPen( cg.light() );
	    p->drawLine( x + 1, y + 1,
			 x + w - 2, y + 1 );
	    p->drawLine( x + 1, y + 1,
			 x + 1, y + h - 2 );

	    // the dark side!


	    p->setPen( cg.mid() );
	    p->drawLine( x + 2, y + h - 2,
			 x + w - 2, y + h - 2 );
	    p->drawLine( x + w - 2, y + 2,
			 x + w - 2, y + h - 2 );

	    p->setPen (cg.shadow() );
	    p->drawLine( x + 1, y + h - 1,
			 x + w - 1, y + h - 1 );
	    p->drawLine( x + w - 1, y,
			 x + w - 1, y + h - 1 );

	    // top left corner:
	    p->setPen( cg.background() );
	    p->drawPoint( x, y );
	    p->drawPoint( x + 1, y );
	    p->drawPoint( x, y + 1 );
	    p->setPen( cg.shadow() );
	    p->drawPoint( x + 1, y + 1 );
	    p->setPen( white );
	    p->drawPoint( x + 3, y + 3 );
	    // bottom left corner:
	    p->setPen( cg.background() );
	    p->drawPoint( x, y + h - 1 );
	    p->drawPoint( x + 1, y + h - 1 );
	    p->drawPoint( x, y + h - 2 );
	    p->setPen( cg.shadow() );
	    p->drawPoint( x + 1, y + h - 2 );
	    // top right corner:
	    p->setPen( cg.background() );
	    p->drawPoint( x + w - 1, y );
	    p->drawPoint( x + w - 2, y );
	    p->drawPoint( x + w - 1, y + 1 );
	    p->setPen( cg.shadow() );
	    p->drawPoint( x + w - 2, y + 1 );
	    // bottom right corner:
	    p->setPen( cg.background() );
	    p->drawPoint( x + w - 1, y + h - 1 );
	    p->drawPoint( x + w - 2, y + h - 1 );
	    p->drawPoint( x + w - 1, y + h - 2 );
	    p->setPen( cg.shadow() );
	    p->drawPoint( x + w - 2, y + h - 2 );
	    p->setPen( cg.dark() );
	    p->drawPoint( x + w - 3, y + h - 3 );

	    if ( sub & SC_ComboBoxArrow ) {
		QRect rTmp = querySubControlMetrics( CC_ComboBox, widget,
						     SC_ComboBoxArrow, opt );
		int xx = rTmp.x(),
		    yy = rTmp.y(),
		    ww = rTmp.width(),
		    hh = rTmp.height();
		// the bright side

		p->setPen( cg.mid() );
		p->drawLine( xx, yy+2, xx, yy+hh-3 );

		p->setPen( cg.button() );
		p->drawLine( xx+1, yy+1, xx+ww-2, yy+1 );
		p->drawLine( xx+1, yy+1, xx+1, yy+hh-2 );

		p->setPen( cg.light() );
		p->drawLine( xx+2, yy+2, xx+2, yy+hh-2 );
		p->drawLine( xx+2, yy+2, xx+ww-2, yy+2 );
//.........这里部分代码省略.........

/*!\reimp
 */
void QPlatinumStyle::drawPrimitive( PrimitiveElement pe,
				    QPainter *p,
				    const QRect &r,
				    const QColorGroup &cg,
				    SFlags flags,
				    const QStyleOption& opt ) const
{
    switch (pe) {
    case PE_HeaderSection:
	{
	    // adjust the sunken flag, otherwise headers are drawn
	    // sunken...
	    if ( flags & Style_Sunken )
		flags ^= Style_Sunken;
	    drawPrimitive( PE_ButtonBevel, p, r, cg, flags, opt );
	    break;
	}
    case PE_ButtonTool:
	{
	    // tool buttons don't change color when pushed in platinum,
	    // so we need to make the mid and button color the same
	    QColorGroup myCG = cg;
	    QBrush fill;

	    // quick trick to make sure toolbuttons drawn sunken
	    // when they are activated...
	    if ( flags & Style_On )
		flags |= Style_Sunken;

	    fill = myCG.brush( QColorGroup::Button );
	    myCG.setBrush( QColorGroup::Mid, fill );
	    drawPrimitive( PE_ButtonBevel, p, r, myCG, flags, opt );
	    break;
	}
    case PE_ButtonBevel:
	{
	    int x,
		y,
		w,
		h;
	    r.rect( &x, &y, &w, &h );

	    QPen oldPen = p->pen();
	    if ( w * h < 1600 ||
		 QABS(w - h) > 10 ) {
		// small buttons

		if ( !(flags & (Style_Sunken | Style_Down)) ) {
		    p->fillRect( x + 2, y + 2, w - 4, h - 4,
				 cg.brush(QColorGroup::Button) );
		    // the bright side
		    p->setPen( cg.dark() );
		    // the bright side
		    p->setPen( cg.dark() );
		    p->drawLine( x, y, x + w - 1, y );
		    p->drawLine( x, y, x, y + h - 1 );

		    p->setPen( cg.light() );
		    p->drawLine( x + 1, y + 1, x + w - 2, y + 1 );
		    p->drawLine( x + 1, y + 1, x + 1, y + h - 2 );

		    // the dark side
		    p->setPen( cg.mid() );
		    p->drawLine( x + 2, y + h - 2, x + w - 2, y + h - 2 );
		    p->drawLine( x + w - 2, y + 2, x + w - 2, y + h - 3 );

		    p->setPen( cg.dark().dark() );
		    p->drawLine( x + 1, y + h - 1, x + w - 1,
				 y + h - 1 );
		    p->drawLine( x + w - 1, y + 1,
				 x + w - 1,
				 y + h - 2 );
		} else {
		    p->fillRect(x + 2, y + 2,
				w - 4, h - 4,
				cg.brush( QColorGroup::Mid ));

		    // the dark side
		    p->setPen( cg.dark().dark() );
		    p->drawLine( x, y, x + w - 1, y );
		    p->drawLine( x, y, x, y + h - 1 );

		    p->setPen( cg.mid().dark());
		    p->drawLine( x + 1, y + 1,
				 x + w-2, y + 1);
		    p->drawLine( x + 1, y + 1,
				 x + 1, y + h - 2 );


		    // the bright side!

		    p->setPen(cg.button());
		    p->drawLine( x + 1, y + h - 2,
				 x + w - 2,
				 y + h - 2 );
		    p->drawLine( x + w - 2, y + 1,
				 x + w - 2,
				 y + h - 2 );
//.........这里部分代码省略.........

//.........这里部分代码省略.........
		x1 += diw;
		y1 += diw;
		x2 -= diw;
		y2 -= diw;
	    }

	    if ( !btn->isFlat() || btn->isOn() || btn->isDown() ) {
		if ( useBevelButton ) {
		    // fix for toggle buttons...
		    if ( flags & (Style_Down | Style_On) )
			flags |= Style_Sunken;
		    drawPrimitive( PE_ButtonBevel, p, QRect( x1, y1,
							     x2 - x1 + 1,
							     y2 - y1 + 1 ),
				   myCg, flags, opt );
		} else {

		    drawPrimitive( PE_ButtonCommand, p, QRect( x1, y1,
							       x2 - x1 + 1,
							       y2 - y1 + 1 ),
				   myCg, flags, opt );
		}
	    }


	    if ( p->brush().style() != NoBrush )
		p->setBrush( NoBrush );
	    break;
#endif
	}
    case CE_PushButtonLabel:
	{
#ifndef QT_NO_PUSHBUTTON
	    const QPushButton *btn;
	    bool on;
	    int x, y, w, h;
	    SFlags flags;
	    flags = Style_Default;
	    btn = (const QPushButton*)widget;
	    on = btn->isDown() || btn->isOn();
	    r.rect( &x, &y, &w, &h );
	    if ( btn->isMenuButton() ) {
		int dx = pixelMetric( PM_MenuButtonIndicator, widget );

		QColorGroup g = cg;
		int xx = x + w - dx - 4;
		int yy = y - 3;
		int hh = h + 6;

		if ( !on ) {
		    p->setPen( g.mid() );
		    p->drawLine( xx, yy + 2, xx, yy + hh - 3 );
		    p->setPen( g.button() );
		    p->drawLine( xx + 1, yy + 1, xx + 1, yy + hh - 2 );
		    p->setPen( g.light() );
		    p->drawLine( xx + 2, yy + 2, xx + 2, yy + hh - 2 );
		}
		if ( btn->isEnabled() )
		    flags |= Style_Enabled;
		drawPrimitive( PE_ArrowDown, p, QRect(x + w - dx - 1, y + 2,
						      dx, h - 4),
			       g, flags, opt );
		w -= dx;
	    }
#ifndef QT_NO_ICONSET
	    if ( btn->iconSet() && !btn->iconSet()->isNull() ) {
		QIconSet::Mode mode = btn->isEnabled()
				      ? QIconSet::Normal : QIconSet::Disabled;
		if ( mode == QIconSet::Normal && btn->hasFocus() )
		    mode = QIconSet::Active;
		QIconSet::State state = QIconSet::Off;
		if ( btn->isToggleButton() && btn->isOn() )
		    state = QIconSet::On;
		QPixmap pixmap = btn->iconSet()->pixmap( QIconSet::Small,
							 mode, state );
		int pixw = pixmap.width();
		int pixh = pixmap.height();
		p->drawPixmap( x + 2, y + h / 2 - pixh / 2, pixmap );
		x += pixw + 4;
		w -= pixw + 4;
	    }
#endif
	    drawItem( p, QRect( x, y, w, h ),
		      AlignCenter | ShowPrefix,
		      btn->colorGroup(), btn->isEnabled(),
		      btn->pixmap(), btn->text(), -1,
		      on ? &btn->colorGroup().brightText()
		      : &btn->colorGroup().buttonText() );
	    if ( btn->hasFocus() )
		drawPrimitive( PE_FocusRect, p,
			       subRect(SR_PushButtonFocusRect, widget),
			       cg, flags );
	    break;
#endif
	}
    default:
	QWindowsStyle::drawControl( element, p, widget, r, cg, how, opt );
	break;
    }
}

void BW_LED_Number::drawSegment( const QPoint &pos, char seg_number, QPainter &p,
			      int Segment_Length, bool erase){


  QPoint pt = pos;
  QColorGroup g = colorGroup();
  QColor lightColor,darkColor;
  if ( erase ){
    
    lightColor = offcolor;
    darkColor  = offcolor;
    
  } else {
    lightColor = g.light();
    darkColor  = g.dark();
  }

  //  int Width = (int) Segment_Length/5 ; // original
  int Width = (int) Segment_Length/4;

  
  QBrush brush(g.light()); 
  QPointArray pts;
  
  
  pt.ry() += (QCOORD)Width/2;
  
  
  if (erase){
    
    p.setBrush(offcolor);
    brush.setColor(offcolor);
    
  }
  else
    p.setBrush(g.light());
  
  if(!smallLED){
    
    switch ( seg_number ) {
    case 0 :
      
      
      if (erase) 
	p.setPen(offcolor);
      
      pts.setPoints(3,pt.x(), pt.y() ,
		    pt.x(), pt.y()-Width +1,
		    pt.x() + Width-1, pt.y());
      p.drawPolygon(pts);
      pts.setPoints(3,pt.x(), pt.y() + Segment_Length -Width - Width/2 -1  ,
		    pt.x() + Width -1 , pt.y()  -Width +Segment_Length - Width/2 -1,
		    pt.x() , pt.y() + Segment_Length - 3*Width/4 -1);
      p.drawPolygon(pts);
      
      if (erase)
	p.setPen(g.light());
      
      p.fillRect(pt.x(),pt.y()+ Width/2 -1, Width , 
		 Segment_Length - Width -Width +1 ,brush);
      
      break;
    case 1 :
      
      p.fillRect(pt.x()+Width,pt.y()- Width , Segment_Length -2* Width, Width ,brush);
      
      if (erase) 
	p.setPen(offcolor);
      
      pts.setPoints(3,pt.x()+1, pt.y()-Width  ,
		    pt.x()+Width, pt.y()-Width  ,
		    pt.x() + Width, pt.y() -1 );
      p.drawPolygon(pts);
      
      pts.setPoints(3,pt.x()+ Segment_Length - Width , pt.y() - Width,
		    pt.x()+  Segment_Length  -1, pt.y() - Width,
		    pt.x() + Segment_Length - Width , pt.y() -1 );
      p.drawPolygon(pts);
      
      if (erase) 
	p.setPen(g.light());
      break;
    case 2 :
      pt.rx() += (QCOORD)(Segment_Length);
      
      
      if (erase) 
	p.setPen(offcolor);
      
      pts.setPoints(3,pt.x() , pt.y() ,
		    pt.x() , pt.y() - Width + 1,    // changes from 1 to 2 
		    pt.x() - Width +1, pt.y() );
      
      p.drawPolygon(pts);
      
      pts.setPoints(3,pt.x() , pt.y() + Segment_Length - Width - Width/2 -1,
		    pt.x() , pt.y() + Segment_Length - 3*Width/4 - 1,
		    pt.x() - Width +1, pt.y() + Segment_Length - Width - Width/2 -1);

      p.drawPolygon(pts);
//.........这里部分代码省略.........